John V. Moore, Niels Krabbe, Olaf Jahn, M. Lysinger, P. Coopmans, P. Mena V., A. Spencer, R. S. Ridgely, J. Nilsson, D. F. Lane, N. Athanas, L. Navarrete, John V. Moore, John
Bird Sounds : AH audiofactory : Free Download, Borrow, and Streaming : Internet Archive